Method DeleteTable

metastore/disk_metastore.go:563–592

DeleteTable deletes a table return ErrTableDoesNotExist if table does not exist

(tableName string)

// return
// 	ErrTableDoesNotExist if table does not exist
func (dm *diskMetaStore) DeleteTable(tableName string) (err error) {
	dm.writeLock.Lock()
	defer dm.writeLock.Unlock()

	var existingTables []string
	dm.Lock()
	defer func() {
		dm.Unlock()
		if dm.tableListWatcher != nil {
			dm.tableListWatcher <- existingTables
			<-dm.tableListDone
		}
	}()

	existingTables, err = dm.listTables()
	if err != nil {
		return utils.StackError(err, "Failed to list tables")
	}

	index := utils.IndexOfStr(existingTables, tableName)
	if index < 0 {
		return common.ErrTableDoesNotExist
	}

	if err = dm.removeTable(tableName); err != nil {
		return err
	}
	existingTables = append(existingTables[:index], existingTables[index+1:]...)
	return nil
}

// AddColumn adds a new column
// returns